NEW YORK - A Florida man known as an influential far-right propagandist online was arrested Wednesday on charges that he used social media to spread disinformation in an effort to suppress votes for Democratic nominee Hillary Clinton in the 2016 presidential election, federal prosecutors said.Douglass Mackey, 31, known on the internet as "Ricky Vaughn," is accused of anonymously conspiring with others in late 2016 to use Twitter and other social media to try to trick Clinton supporters to vote via text instead of casting an actual ballot, according to a criminal complaint.Prosecutors said as a result of the misinformation campaign, at least 4,900 unique phone numbers texted the number in an apparent effort to cast votes for Clinton.The.